ENGINE (J05E)/TROUBLESHOOTING
2–393
1.
Perform an engine warm up. (engine coolant temperature: 80
C
{176
F} or more)
2.
Stop the engine.
3.
Set the starter key to the "ON" position.
4.
Select [Engine] and check if any followings DTCs (cylinder #1:
P0263, #2: P0266, #3: P0269 and #4: P0272) have been detected.
NO
YES
1.
Use the cruise function to run the engine at 1,500 r/min.
2.
Check the engine sound during normal operation. (before Cut-off
test)
3.
Use HINO DX
Ⅱ
's [Data monitor and Active test] to perform a cut-off
test.
(For details, refer to the cut-off test procedure on the following
pages.)
<Cylinder cut-off test>
- This method is generally used to check combustion abnormalities by
stopping the fuel injection for one of the cylinder of a four-cylinder
engine and verifying the engine sound or performance.
NO
YES
5
Check the DTC detected 3 (engine ECU)
SHTS021270300352
Have any DTCs (cylinder #1: P0263, #2: P0266, #3: P0269 and #4: P0272) been detected?
Go to step 6.
Procedure completed.
Perform "After-inspection work" of INFOR-
MATION section.
6
Perform the cylinder cut-off test (HINO DX
Ⅱ
)
SHTS021270300353
Did you find the engine sound different?
<One of the A to D is always large or same as
α
>
Replace the abnormal injector.
After replace, go to step 7.
<There is no clear difference>
Go to step 8
